Acer Aspire 4820T_SG - Acer Support

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2 Removing the USB Board 64 Removing the 3G Module 66 Removing the Bluetooth Module 67 Removing the LCD Module 68 Removing the Mainboard 70 Removing the Thermal Module 72 Removing the CPU 73 Removing the RTC Battery 74 Removing the WiFi Antenna Cable 74 Removing the Right Speaker 75 Removing the DC-In Cable 76 LCD Module Disassembly Process 77 LCD Module Disassembly Flowchart 77 Removing the LCD Bezel 78 Removing the Camera Module 79 Removing the LCD Panel 80 Removing the FPC Cable 81 Removing the Microphone Module 82 Removing the Hinges 82 Removing the Antennas 83 LCD Module Reassembly Procedure 85 Replacing the MIC and WiFi Antennas 85 Replacing the Microphone Module 86 Replacing the FPC Cable 87 Replacing the LCD Panel 87 Replacing the Webcam 88 Replacing the LCD Bezel 89 Main Module Reassembly Procedure 91 Replacing the DC-In Cable 91 Replacing the LCD Module 92 Replacing the Right Speaker 92 Replacing the RTC Battery 93 Replacing the CPU 94 Replacing the Thermal Module 94 Replacing the Mainboard 96 Replacing the Bluetooth Module 97 Replacing the 3G Module 98 Replacing the USB Board 99 Replacing the Left Speaker Module 100 Replacing the Function Board 101 Replacing the Switch Board 101 Replacing the Upper Cover 102 Replacing the Keyboard 105 Replacing the Hard Disk Drive Module 105 Replacing the WLAN Board 107 Replacing the DIMM Modules 107 Replacing the ODD Module 108 Replacing the Lower Covers 109 Replacing the Dummy Card 110 Replacing the SIM card 110 Replacing the Battery Pack 111 Troubleshooting 113 Common Problems 113 Power On Issue 114
No Display Issue 115 Random Loss of BIOS Settings 116 LCD Failure 117 Built-In Keyboard Failure 117 TouchPad Failure 118 Internal Speaker Failure 118 HDD Not Operating Correctly 120 ODD Failure 121 Wireless Function Failure 124 Thermal Unit Failure 124 External Mouse Failure 125 Other Failures 125 Intermittent Problems 126 Undetermined Problems 126 Post Codes 127 Jumper and Connector Locations 133 Top View 133 Bottom View 134 Clearing Password Check and BIOS Recovery 135 Clearing Password Check 135 BIOS Recovery by Crisis Disk 136 FRU (Field Replaceable Unit) List 137 Acer Aspire 4820T Exploded Diagrams 138 LCD Assembly 138 Acer Aspire 4820T FRU List 141 Screw List 149 Model Definition and Configuration 150 Acer Aspire 4820T Series 150 Test Compatible Components 213 Microsoft® Windows® 7 Environment Test 214 Online Support Information 215 Index 217 3
Page 1 and 2: Acer Aspire 4820T Service Guide Ser
Page 3 and 4: Copyright Copyright © 2010 by Acer
Page 5: Preface Before using this informati
Page 11 and 12: Table of Contents System Specificat
Page 13 and 14: Table of Contents Built-In Keyboard
Page 15 and 16: System Specifications Features Belo
Page 17 and 18: Privacy control • BIOS user, supe
Page 19 and 20: Warranty Environment • External U
Page 21 and 22: Your Acer Notebook tour After knowi
Page 23 and 24: Closed Front View Left View 1 No. I
Page 25 and 26: Bottom View 1 2 3 No. Icon Item Des
Page 27 and 28: TouchPad Basics The following items
Page 29 and 30: Windows Keys The keyboard has two k
Page 31 and 32: Hardware Specifications and Configu
Page 33 and 34: Specifications • IEEE 802.11b/g a
Page 35 and 36: Applicable disc formats Item Specif
Page 37 and 38: Temperature Range (°C) Operating S
Page 39 and 40: System Utilities BIOS Setup Utility
Page 41 and 42: Main The Main screen allows the use
Page 43 and 44: Setting a Password Follow these ste
Page 45 and 46: Boot This menu allows the user to d
Page 47 and 48: BIOS Flash Utilities The BIOS flash
Page 49 and 50: 4. In flash BIOS, the message Pleas
Page 51 and 52: Remove HDD/BIOS Password Utilities
Page 53 and 54: Using Boot Sequence Selector The Bo
Page 55 and 56: Using the LAN MAC EEPROM Utility Yo
Page 57 and 58: Machine Disassembly and Replacement
Page 59 and 60:
External Module Disassembly Process
Page 61 and 62:
Removing the SD dummy card 1. Push
Page 63 and 64:
Removing the Lower Cover 1. See “
Page 65 and 66:
Step Size Quantity Screw Type ODD B
Page 67 and 68:
Removing the WLAN Module 1. See “
Page 69 and 70:
Main Unit Disassembly Process Main
Page 71 and 72:
4. Release each clip, working from
Page 73 and 74:
3. Disconnect A as shown. 4. Releas
Page 75 and 76:
Removing the Power Switch Board 1.
Page 77 and 78:
Removing the Left Speaker Module 1.
Page 79 and 80:
5. Lift the USB Board upward away f
Page 81 and 82:
Removing the Bluetooth Module 1. Se
Page 83 and 84:
Step Size Quantity Screw Type LCD M
Page 85 and 86:
Step Size Quantity Screw Type Mainb
Page 87 and 88:
Removing the CPU 1. See “Removing
Page 89 and 90:
Removing the Right Speaker 1. See S
Page 91 and 92:
LCD Module Disassembly Process LCD
Page 93 and 94:
4. Lift the Bezel clear of the LCD
Page 95 and 96:
Removing the FPC Cable 1. See “Re
Page 97 and 98:
Removing the Antennas 1. See “Rem
Page 99 and 100:
LCD Module Reassembly Procedure Rep
Page 101 and 102:
Replacing the FPC Cable Attach the
Page 103 and 104:
Replacing the LCD Bezel 1. Locate t
Page 105 and 106:
Main Module Reassembly Procedure Re
Page 107 and 108:
2. Replace the two (2) screws to se
Page 109 and 110:
3. Align the screw holes on the The
Page 111 and 112:
7. Snap the FPC cable into place. 8
Page 113 and 114:
Replacing the USB Board 1. Replace
Page 115 and 116:
Replacing the Function Board 1. Rep
Page 117 and 118:
4. Replace the eight (8) securing s
Page 119 and 120:
Replacing the Keyboard 1. Place the
Page 121 and 122:
Replacing the WLAN Board 1. Insert
Page 123 and 124:
Replacing the Lower Covers 1. Repla
Page 125 and 126:
Replacing the Battery Pack 1. Slide
Page 127 and 128:
Troubleshooting Common Problems Use
Page 129 and 130:
No Display Issue If the Display doe
Page 131 and 132:
LCD Failure If the LCD fails, perfo
Page 133 and 134:
Sound Problems If sound problems ar
Page 135 and 136:
ODD Failure If the ODD fails, perfo
Page 137 and 138:
. Double-click IDE ATA/ATAPI contro
Page 139 and 140:
External Mouse Failure If an extern
Page 141 and 142:
Post Codes These tables describe th
Page 143 and 144:
Functionality Name (Include\ PostCo
Page 145 and 146:
Functionality Name (Include\ PostCo
Page 147 and 148:
Jumper and Connector Locations Top
Page 149 and 150:
Clearing Password Check and BIOS Re
Page 151 and 152:
FRU (Field Replaceable Unit) List C
Page 153 and 154:
No. Description Acer P/N No. Descri
Page 155 and 156:
Acer Aspire 4820T FRU List ADAPTER
Page 157 and 158:
Category Part Name Description CPU/
Page 159 and 160:
KEYBOARD Category Part Name Descrip
Page 161 and 162:
Category Part Name Description LCD
Page 163 and 164:
HEATSINK SPEAKER Category Part Name
Page 165 and 166:
Chapter 6 151
Page 167 and 168:
Country Luxembour g LX.PSE 02.159 B
Page 169 and 170:
Country Acer Part No Thailand LX.PS
Page 171 and 172:
Country South Africa LX.PSE 02.091
Page 173 and 174:
Country Eastern Europe Acer Part No
Page 175 and 176:
Country Eastern Europe LX.PSE 02.02
Page 177 and 178:
Country Acer Part No Turkey LX.PSG
Page 179 and 180:
Country Spain LX.PSG 02.081 Denmark
Page 181 and 182:
Country South Africa LX.PSG 02.050
Page 183 and 184:
Country Eastern Europe Serbia/ Mace
Page 185 and 186:
Country Holland LX.PSN 02.085 Belgi
Page 187 and 188:
Country Middle East LX.PSN 02.041 S
Page 189 and 190:
Model Country AS4820TG- 524G64Mn AS
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Page 203 and 204:
Page 205 and 206:
Model Country AS4820T- 333G32Mn AS4
Page 207 and 208:
Page 209 and 210:
Page 211 and 212:
Model Country Acer Part No Memory 1
Page 213 and 214:
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Page 217 and 218:
Page 219 and 220:
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Page 227 and 228:
Page 229 and 230:
Test Compatible Components Appendix
Page 231 and 232:
Item Vendor Description P/N ADAPTER
Page 233 and 234:
Item Vendor Description P/N 90W LIT
Page 235 and 236:
Item Vendor Description P/N 6CELL3.
Page 237 and 238:
Item Vendor Description P/N BLUETOO
Page 239 and 240:
Item Vendor Description P/N 1.3M Li
Page 241 and 242:
Item Vendor Description P/N Ci7620M
Page 243 and 244:
Item Vendor Description P/N Ci3330M
Page 245 and 246:
Item Vendor Description P/N N500GB5
Page 247 and 248:
Item Vendor Description P/N SSD2516
Page 249 and 250:
Page 251 and 252:
Page 253 and 254:
Page 255 and 256:
Item Vendor Description P/N NLED14W
Page 257 and 258:
Item Vendor Description P/N SO2GBII
Page 259 and 260:
Item Vendor Description P/N SO4GBII
Page 261 and 262:
Item NB CHIPSET Vendor Description
Page 263 and 264:
Item Vendor Description P/N NSM8XS9
Page 265 and 266:
Item Vendor Description P/N PIFA WN
Page 267 and 268:
Online Support Information This sec
Page 269 and 270:
A B C D E F AFLASH Utility 27 Anten
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Acer Aspire 4820T_SG - Acer Support

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